Document Type and Number:
Japanese Patent JPS5141401
Kind Code:
U
Application Number:
JP11427874U
Publication Date:
March 27, 1976
Filing Date:
September 20, 1974
Export Citation:
International Classes:
G11B3/00; H04R1/00; H04R3/00; H04R23/00; (IPC1-7): G11B3/00; H04R1/00; H04R23/00